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Convert TAR to 7Z

Convert TAR to 7Z format — 100% browser-based, no upload required.

2 cores · low tier

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Format will be auto-detected

About these formats

Source

TAR

Tape Archive

Unix archive format that bundles files without compression. Typically combined with gzip (.tar.gz) or bzip2 (.tar.bz2) for compression.

Best for

Unix/Linux backupsSource code distributionPreserving permissions

Advantages

  • + Preserves Unix permissions
  • + Simple format
  • + Streaming friendly
  • + No size limits

Limitations

  • − No built-in compression
  • − No random access
  • − Not native on Windows
Target

7Z

7-Zip Archive

High-compression archive format by Igor Pavlov using the LZMA/LZMA2 algorithm. Typically achieves 30–70% better compression ratios than ZIP. Open-source and free under LGPL.

Best for

Maximum compressionLarge file archivingSoftware distributionSpace-constrained backups

Advantages

  • + Best-in-class compression
  • + Strong AES-256 encryption
  • + Open format (LGPL)
  • + Solid archive mode

Limitations

  • − Slower than ZIP
  • − Not natively supported on all OS
  • − Slower random access
  • − High memory usage at max compression